Author: León, Manuel de
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		On frames defined by horizontal spaces.
		
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Czechoslovak Mathematical Journal,
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Cordero, Luis A.; León, Manuel de; Méndez, Isabel; Salgado, Modesto:
		Existence of $p$-almost tangent structures.
		
			(English).
Czechoslovak Mathematical Journal,
		vol. 42
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			issue 2,
		pp. 225-234
 
 
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